- Industry: Government
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The acute angle between the chord line of the airfoil and the direction of the relative wind.
Industry:Aviation
The angle formed by the chord line of the wing and a line parallel to the longitudinal axis of the airplane.
Industry:Aviation
A complete inspection of an aircraft and engine, required by the Code of Federal Regulations, to be accomplished every 12 calendar months on all certificated aircraft. Only an A&P technician holding an Inspection Authorization can conduct an annual inspection.
Industry:Aviation
The prevention of the formation of ice on a surface. Ice may be prevented by using heat or by covering the surface with a chemical that prevents water from reaching the surface. Anti-icing should not be confused with deicing, which is the removal of ice after it has formed on the surface.
Industry:Aviation
An instrument which uses an artificial horizon and miniature airplane to depict the position of the airplane in relation to the true horizon. The attitude indicator senses roll as well as pitch, which is the up and down movement of the airplane’s nose.
Industry:Aviation
The position of an aircraft as determined by the relationship of its axes and a reference, usually the earth’s horizon.
Industry:Aviation
This is caused by staring at a single point of light against a dark background for more than a few seconds. After a few moments, the light appears to move on its own.
Industry:Aviation
An automatic flight control system which keeps an aircraft in level flight or on a set course. Automatic pilots can be directed by the pilot, or they may be coupled to a radio navigation signal.
Industry:Aviation
Three imaginary lines that pass through an aircraft’s center of gravity. The axes can be considered as imaginary axles around which the aircraft turns. The three axes pass through the center of gravity at 90° angles to each other. The axis from nose to tail is the longitudinal axis, the axis that passes from wingtip to wingtip is the lateral axis, and the axis that passes vertically through the center of gravity is the vertical axis.
Industry:Aviation
A type of compressor used in a turbine engine in which the airflow through the compressor is essentially linear. An axial-flow compressor is made up of several stages of alternate rotors and stators. The compressor ratio is determined by the decrease in area of the succeeding stages.
Industry:Aviation
